@inproceedings{SAC-1999-ChanWN,
	author        = "Stephen Chi-fai Chan and Martin Wong and Vincent T. Y. Ng",
	booktitle     = "{Proceedings of the 14th Symposium on Applied Computing}",
	doi           = "10.1145/298151.298487",
	pages         = "598--602",
	publisher     = "{ACM}",
	title         = "{Collaborative Solid Modeling on the WWW}",
	year          = 1999,
}